# 1980 United States presidential election in South Dakota

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The 1980 United States presidential election in South Dakota took place on November 4, 1980. All 50 states and the District of Columbia were part of the 1980 United States presidential election. Voters chose four electors to the Electoral College, who voted for president and vice president.
South Dakota was won by former California Governor Ronald Reagan (R) by a 29-point landslide. Despite it voting consistently for the Republican Nominee from 1940 to this election (except for 1964), For the last two elections South Dakota had been considered competitive. In 1972, It was Democratic Nominee George McGovern's home state and despite a national landslide, it was the only state that swung to the left from 1968. In 1976, President Gerald Ford only narrowly won the State over Carter by a slim 1.5%. Given this competitive streak for South Dakota, Reagan's overwhelming win in the state was especially surprising with the state swinging 27.4 points to the right this election.

## Results

1980 United States presidential election in South Dakota :
| Party | Party | Candidate | Votes | % |
| | Republican | Ronald Reagan | 198,343 | 60.53% |
| | Democratic | Jimmy Carter (incumbent) | 103,855 | 31.69% |
| | Independent | John B. Anderson | 21,431 | 6.54% |
| | Libertarian | Edward Clark | 3,824 | 1.17% |
| | Socialist Workers | Andrew Pulley | 250 | 0.08% |
| Majority | Majority | Majority | 94,488 | 28.84% |
| Total votes | Total votes | Total votes | 327,703 | 100.00% |
| | Republican win | Republican win | Republican win | Republican win |

### Results by county

| County | Ronald Reagan Republican | Ronald Reagan Republican | Jimmy Carter Democratic | Jimmy Carter Democratic | John B. Anderson Independent | John B. Anderson Independent | Ed Clark Independent | Ed Clark Independent | Andrew Pulley Independent | Andrew Pulley Independent | Margin | Margin | Total votes cast |
| County | # | % | # | % | # | % | # | % | # | % | # | % | Total votes cast |
| Aurora | 1,251 | 58.93% | 709 | 33.40% | 125 | 5.89% | 35 | 1.65% | 3 | 0.14% | 542 | 25.53% | 2,123 |
| Beadle | 5,921 | 58.60% | 3,521 | 34.85% | 545 | 5.39% | 109 | 1.08% | 8 | 0.08% | 2,400 | 23.75% | 10,104 |
| Bennett | 919 | 69.41% | 350 | 26.44% | 42 | 3.17% | 13 | 0.98% | 0 | 0.00% | 569 | 42.97% | 1,324 |
| Bon Homme | 2,794 | 65.91% | 1,191 | 28.10% | 214 | 5.05% | 38 | 0.90% | 2 | 0.05% | 1,603 | 37.81% | 4,239 |
| Brookings | 5,727 | 52.15% | 3,934 | 35.83% | 1,169 | 10.65% | 140 | 1.27% | 11 | 0.10% | 1,793 | 16.32% | 10,981 |
| Brown | 10,550 | 58.61% | 6,050 | 33.61% | 1,143 | 6.35% | 231 | 1.28% | 25 | 0.14% | 4,500 | 25.00% | 17,999 |
| Brule | 1,674 | 59.79% | 925 | 33.04% | 153 | 5.46% | 47 | 1.68% | 1 | 0.04% | 749 | 26.75% | 2,800 |
| Buffalo | 272 | 59.65% | 147 | 32.24% | 26 | 5.70% | 11 | 2.41% | 0 | 0.00% | 125 | 27.41% | 456 |
| Butte | 2,850 | 73.11% | 843 | 21.63% | 150 | 3.85% | 53 | 1.36% | 2 | 0.05% | 2,007 | 51.48% | 3,898 |
| Campbell | 1,271 | 84.85% | 182 | 12.15% | 39 | 2.60% | 6 | 0.40% | 0 | 0.00% | 1,089 | 72.70% | 1,498 |
| Charles Mix | 2,608 | 56.71% | 1,741 | 37.86% | 203 | 4.41% | 40 | 0.87% | 7 | 0.15% | 867 | 18.85% | 4,599 |
| Clark | 1,963 | 67.43% | 774 | 26.59% | 151 | 5.19% | 22 | 0.76% | 1 | 0.03% | 1,189 | 40.84% | 2,911 |
| Clay | 3,004 | 47.56% | 2,271 | 35.96% | 906 | 14.34% | 111 | 1.76% | 24 | 0.38% | 733 | 11.60% | 6,316 |
| Codington | 5,903 | 59.09% | 3,353 | 33.56% | 638 | 6.39% | 85 | 0.85% | 11 | 0.11% | 2,550 | 25.53% | 9,990 |
| Corson | 1,233 | 66.47% | 522 | 28.14% | 82 | 4.42% | 16 | 0.86% | 2 | 0.11% | 711 | 38.33% | 1,855 |
| Custer | 2,057 | 69.61% | 708 | 23.96% | 129 | 4.37% | 60 | 2.03% | 1 | 0.03% | 1,349 | 45.65% | 2,955 |
| Davison | 4,743 | 55.72% | 3,107 | 36.50% | 568 | 6.67% | 89 | 1.05% | 5 | 0.06% | 1,636 | 19.22% | 8,512 |
| Day | 2,507 | 55.18% | 1,720 | 37.86% | 259 | 5.70% | 56 | 1.23% | 1 | 0.02% | 787 | 17.32% | 4,543 |
| Deuel | 1,657 | 60.39% | 891 | 32.47% | 169 | 6.16% | 27 | 0.98% | 0 | 0.00% | 766 | 27.92% | 2,744 |
| Dewey | 1,045 | 59.14% | 600 | 33.96% | 109 | 6.17% | 11 | 0.62% | 2 | 0.11% | 445 | 25.18% | 1,767 |
| Douglas | 1,855 | 75.31% | 508 | 20.63% | 91 | 3.69% | 9 | 0.37% | 0 | 0.00% | 1,347 | 54.68% | 2,463 |
| Edmunds | 1,881 | 64.55% | 883 | 30.30% | 125 | 4.29% | 25 | 0.86% | 0 | 0.00% | 998 | 34.25% | 2,914 |
| Fall River | 2,831 | 69.61% | 982 | 24.15% | 184 | 4.52% | 67 | 1.65% | 3 | 0.07% | 1,849 | 45.46% | 4,067 |
| Faulk | 1,300 | 66.84% | 520 | 26.74% | 110 | 5.66% | 15 | 0.77% | 0 | 0.00% | 780 | 40.10% | 1,945 |
| Grant | 2,691 | 58.58% | 1,602 | 34.87% | 254 | 5.53% | 44 | 0.96% | 3 | 0.07% | 1,089 | 23.71% | 4,594 |
| Gregory | 2,283 | 68.35% | 883 | 26.44% | 121 | 3.62% | 50 | 1.50% | 3 | 0.09% | 1,400 | 41.91% | 3,340 |
| Haakon | 1,162 | 79.32% | 255 | 17.41% | 38 | 2.59% | 10 | 0.68% | 0 | 0.00% | 907 | 61.91% | 1,465 |
| Hamlin | 1,885 | 62.69% | 903 | 30.03% | 197 | 6.55% | 20 | 0.67% | 2 | 0.07% | 982 | 32.66% | 3,007 |
| Hand | 2,066 | 67.38% | 803 | 26.19% | 159 | 5.19% | 38 | 1.24% | 0 | 0.00% | 1,263 | 41.19% | 3,066 |
| Hanson | 1,015 | 58.84% | 598 | 34.67% | 93 | 5.39% | 18 | 1.04% | 1 | 0.06% | 417 | 24.17% | 1,725 |
| Harding | 727 | 74.64% | 205 | 21.05% | 28 | 2.87% | 14 | 1.44% | 0 | 0.00% | 522 | 53.59% | 974 |
| Hughes | 4,652 | 66.00% | 1,751 | 24.84% | 554 | 7.86% | 82 | 1.16% | 9 | 0.13% | 2,901 | 41.16% | 7,048 |
| Hutchinson | 3,789 | 73.15% | 1,145 | 22.10% | 228 | 4.40% | 15 | 0.29% | 3 | 0.06% | 2,644 | 51.05% | 5,180 |
| Hyde | 864 | 70.76% | 273 | 22.36% | 60 | 4.91% | 21 | 1.72% | 3 | 0.25% | 591 | 48.40% | 1,221 |
| Jackson | 929 | 68.71% | 354 | 26.18% | 50 | 3.70% | 19 | 1.41% | 0 | 0.00% | 575 | 42.53% | 1,352 |
| Jerauld | 1,018 | 58.88% | 595 | 34.41% | 103 | 5.96% | 12 | 0.69% | 1 | 0.06% | 423 | 24.47% | 1,729 |
| Jones | 689 | 74.97% | 189 | 20.57% | 37 | 4.03% | 4 | 0.44% | 0 | 0.00% | 500 | 54.40% | 919 |
| Kingsbury | 2,376 | 62.41% | 1,132 | 29.73% | 258 | 6.78% | 40 | 1.05% | 1 | 0.03% | 1,244 | 32.68% | 3,807 |
| Lake | 3,093 | 52.85% | 2,207 | 37.71% | 504 | 8.61% | 47 | 0.80% | 1 | 0.02% | 886 | 15.14% | 5,852 |
| Lawrence | 5,306 | 63.14% | 2,259 | 26.88% | 574 | 6.83% | 250 | 2.98% | 14 | 0.17% | 3,047 | 36.26% | 8,403 |
| Lincoln | 3,848 | 57.45% | 2,261 | 33.76% | 524 | 7.82% | 57 | 0.85% | 8 | 0.12% | 1,587 | 23.69% | 6,698 |
| Lyman | 1,256 | 66.88% | 486 | 25.88% | 106 | 5.64% | 29 | 1.54% | 1 | 0.05% | 770 | 41.00% | 1,878 |
| Marshall | 1,710 | 56.98% | 1,120 | 37.32% | 147 | 4.90% | 22 | 0.73% | 2 | 0.07% | 590 | 19.66% | 3,001 |
| McCook | 2,014 | 56.83% | 1,223 | 34.51% | 269 | 7.59% | 36 | 1.02% | 2 | 0.06% | 791 | 22.32% | 3,544 |
| McPherson | 2,056 | 85.60% | 287 | 11.95% | 54 | 2.25% | 5 | 0.21% | 0 | 0.00% | 1,769 | 73.65% | 2,402 |
| Meade | 5,349 | 70.93% | 1,721 | 22.82% | 342 | 4.54% | 127 | 1.68% | 2 | 0.03% | 3,628 | 48.11% | 7,541 |
| Mellette | 624 | 64.80% | 279 | 28.97% | 46 | 4.78% | 14 | 1.45% | 0 | 0.00% | 345 | 35.83% | 963 |
| Miner | 1,172 | 53.98% | 833 | 38.37% | 148 | 6.82% | 17 | 0.78% | 1 | 0.05% | 339 | 15.61% | 2,171 |
| Minnehaha | 26,256 | 51.00% | 20,008 | 38.87% | 4,658 | 9.05% | 531 | 1.03% | 25 | 0.05% | 6,248 | 12.13% | 51,478 |
| Moody | 1,807 | 51.93% | 1,364 | 39.20% | 279 | 8.02% | 29 | 0.83% | 1 | 0.03% | 443 | 12.73% | 3,480 |
| Pennington | 18,991 | 67.33% | 7,121 | 25.25% | 1,650 | 5.85% | 433 | 1.54% | 9 | 0.03% | 11,870 | 42.08% | 28,204 |
| Perkins | 1,931 | 72.73% | 595 | 22.41% | 93 | 3.50% | 33 | 1.24% | 3 | 0.11% | 1,336 | 50.32% | 2,655 |
| Potter | 1,633 | 75.29% | 436 | 20.10% | 81 | 3.73% | 18 | 0.83% | 1 | 0.05% | 1,197 | 55.19% | 2,169 |
| Roberts | 2,904 | 57.98% | 1,829 | 36.51% | 235 | 4.69% | 37 | 0.74% | 4 | 0.08% | 1,075 | 21.47% | 5,009 |
| Sanborn | 1,178 | 60.97% | 628 | 32.51% | 107 | 5.54% | 19 | 0.98% | 0 | 0.00% | 550 | 28.46% | 1,932 |
| Shannon | 438 | 25.96% | 1,132 | 67.10% | 91 | 5.39% | 20 | 1.19% | 6 | 0.36% | -694 | -41.14% | 1,687 |
| Spink | 2,915 | 60.30% | 1,572 | 32.52% | 294 | 6.08% | 50 | 1.03% | 3 | 0.06% | 1,343 | 27.78% | 4,834 |
| Stanley | 892 | 68.67% | 339 | 26.10% | 55 | 4.23% | 12 | 0.92% | 1 | 0.08% | 553 | 42.57% | 1,299 |
| Sully | 852 | 74.15% | 220 | 19.15% | 60 | 5.22% | 17 | 1.48% | 0 | 0.00% | 632 | 55.00% | 1,149 |
| Todd | 803 | 41.76% | 972 | 50.55% | 112 | 5.82% | 30 | 1.56% | 6 | 0.31% | -169 | -8.79% | 1,923 |
| Tripp | 2,669 | 70.68% | 947 | 25.08% | 130 | 3.44% | 26 | 0.69% | 4 | 0.11% | 1,722 | 45.60% | 3,776 |
| Turner | 3,343 | 66.43% | 1,369 | 27.21% | 281 | 5.58% | 37 | 0.74% | 2 | 0.04% | 1,974 | 39.22% | 5,032 |
| Union | 2,788 | 55.16% | 1,830 | 36.21% | 359 | 7.10% | 74 | 1.46% | 3 | 0.06% | 958 | 18.95% | 5,054 |
| Walworth | 2,675 | 74.55% | 753 | 20.99% | 139 | 3.87% | 19 | 0.53% | 2 | 0.06% | 1,922 | 53.56% | 3,588 |
| Yankton | 5,355 | 61.22% | 2,698 | 30.84% | 553 | 6.32% | 127 | 1.45% | 14 | 0.16% | 2,657 | 30.38% | 8,747 |
| Ziebach | 523 | 65.05% | 246 | 30.60% | 30 | 3.73% | 5 | 0.62% | 0 | 0.00% | 277 | 34.45% | 804 |
| Totals | 198,343 | 60.53% | 103,855 | 31.69% | 21,431 | 6.54% | 3,824 | 1.17% | 250 | 0.08% | 94,488 | 28.84% | 327,703 |

#### Counties that flipped from Democratic to Republican

* Aurora
* Beadle
* Bon Homme
* Brown
* Brule
* Buffalo
* Charles Mix
* Codington
* Corson
* Davison
* Day
* Deuel
* Edmunds
* Faulk
* Grant
* Gregory
* Hanson
* Jerauld
* Lake
* Marshall
* McCook
* Miner
* Moody
* Roberts
* Sanborn
* Spink
* Union
* Washabaugh
* Ziebach